Updating your device
To install Thirdfort you may need to update your device if it's been a while since you've done this.
Updating iPhones
To update an iPhone please go to the Settings App and select General < Software Update. From here you can then install the latest update from Apple.
Updating Android Phones
To update an Android phone please go to your Settings App and select System < Software Update. From here you can then install the latest update from the manufacturer.